Radiant|Lab Grown|IGI

1.21ct D VS1 Radiant Lab Grown Diamond

GD • D/VS1 • IGI LG846667340

Shape and cutting style on the report: Cut cornered rectangular modified brilliant

Certificate IGI LG846667340

Diamond specifications and retailer prices

From €158 EUR
As of October 30, 2026
Save €838 EUR (84%) vs most expensive(unlock to see where)
17 retailers carry this diamond
Most expensive: €996 EUR at Reve Diamonds · As of October 30, 2026
View at Reve Diamonds

About this 1.21ct lab-grown radiant diamond

This 1.21ct lab-grown radiant sits in the classic one-carat band, graded D colour (colourless) and VS1 clarity (very-slightly-included), with a standard cut grade and certified by IGI LG846667340 or 846667340. Listed at 17 retailers as of October 30, 2026, with prices from €158 to €996, a €838 spread on the same certified stone. Reve Diamonds lists it at €996. Cut grade matters more than carat or clarity for visible brilliance. If you can shift budget toward an Excellent or Ideal cut, do it before chasing higher colour or clarity.

The 4Cs

1.21
Carat
D
Colour
VS1
Clarity
Good
Cut

Specifications

CutGood
PolishExcellent
SymmetryExcellent
FluorescenceNone
Crown angle39.6°
Pavilion angle32.1°
OriginLab Grown
Grading LabIGI
CertificateIGI LG846667340
Dimensions7.71 × 4.98 × 3.46 mm
L/W Ratio1.55
Cert comments
This Laboratory Grown Diamond was created by Chemical Vapor Deposition (CVD) growth process Type IIa
Top View
7.71 mm4.98 mm1.21 ctD / VS1
OriginLab Grown
CutGood
PolishExcellent
SymmetryExcellent
FluorescenceNone
CertificateIGI LG846667340
Side View
Table 65.0%Crown 39.6°Girdle: MediumPavilion 32.1°Culet: NoneDepth 69.5%

Caratlytics Score

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A
Excellent
Excellent quality and great value
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Price History

Last verified: Oct 30
Current: €346 EUR|Low: €158 EUR|High: €996 EUR|Avg: €432 EUR
Retailer 1
Retailer 2
Retailer 3
Retailer 4
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Retailer 17
Reve Diamonds
October 31, 2026
Retailer 13€158 EUR
Retailer 3€177 EUR
Retailer 8€183 EUR
Retailer 5€195 EUR
Retailer 17€195 EUR
Retailer 10€262 EUR
Retailer 2€271 EUR
Retailer 12€335 EUR
Retailer 1€346 EUR
Retailer 11€351 EUR
Retailer 16€406 EUR
Retailer 7€415 EUR
Retailer 14€477 EUR
Retailer 4€628 EUR
Retailer 15€664 EUR
Retailer 9€676 EUR
Retailer 6€915 EUR
Reve Diamonds€996 EUR

8 data points across 18 retailers

17 retailers€158 EUR to €996 EUR

A
Cheapest Retailer
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€158 EUR
Retailer 2
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€183 EUR
View
Price last confirmed 8 days ago
Retailer 3
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€195 EUR
View
Price last confirmed 11 days ago
A
Retailer 4
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€195 EUR
View
A
Retailer 5
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€262 EUR
View
B+
Retailer 6
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€271 EUR
View
Retailer 7
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€335 EUR
View
Price last confirmed 9 days ago
B+
Retailer 8
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€346 EUR
View
B+
Retailer 9
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€351 EUR
View
B+
Retailer 10
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€406 EUR
View
B+
Retailer 11
-
€415 EUR
View
Retailer 12
-
€477 EUR
View
Price last confirmed 10 days ago
Retailer 13
-
€628 EUR
View
Price last confirmed 8 days ago
B
Retailer 14
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€664 EUR
View
B
Retailer 15
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€676 EUR
View
Retailer 16
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€915 EUR
View
Price last confirmed 10 days ago
Most Expensive
B
Reve Diamonds
36A11B55A · Oct 30
€996 EUR
$1,122 USD
View
16 more retailers have this diamond
Prices start from €158 EURSave up to €838 EUR

Carat Hunter is not affiliated with, endorsed by, or sponsored by any retailer listed. Retailer information is from publicly available sources and may not be current. Verify details directly with the retailer before purchasing. Return terms as we hold them. Check the retailer's own returns page before you buy.

A
1.21ct Radiant
€158 EUR